[Mac]: Enable speech sub-menu under the edit menu and pipe it through to the renderer.

content/browser/renderer_host/render_widget_host_impl.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_IMPL_H_
 #define CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_IMPL_H_
 
 #include <deque>
+#include <list>
 #include <string>
 #include <vector>
 
 #include "base/callback.h"
 #include "base/gtest_prod_util.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "base/process_util.h"
 #include "base/property_bag.h"
 #include "base/string16.h"
@@ skipping 52 matching lines @@
   // RenderWidgetHost implementation.
   virtual void Undo() OVERRIDE;
   virtual void Redo() OVERRIDE;
   virtual void Cut() OVERRIDE;
   virtual void Copy() OVERRIDE;
   virtual void CopyToFindPboard() OVERRIDE;
   virtual void Paste() OVERRIDE;
   virtual void PasteAndMatchStyle() OVERRIDE;
   virtual void Delete() OVERRIDE;
   virtual void SelectAll() OVERRIDE;
+  virtual void SpeakSelection() OVERRIDE;
   virtual void UpdateTextDirection(WebKit::WebTextDirection direction) OVERRIDE;
   virtual void NotifyTextDirection() OVERRIDE;
   virtual void Blur() OVERRIDE;
   virtual void CopyFromBackingStore(
       const gfx::Rect& src_rect,
       const gfx::Size& accelerated_dst_size,
       const base::Callback<void(bool)>& callback,
       skia::PlatformCanvas* output) OVERRIDE;
 #if defined(TOOLKIT_GTK)
   virtual bool CopyFromBackingStoreToGtkWindow(const gfx::Rect& dest_rect,
@@ skipping 436 matching lines @@
   void OnAcceleratedSurfaceSetIOSurface(gfx::PluginWindowHandle window,
                                         int32 width,
                                         int32 height,
                                         uint64 mach_port);
   void OnAcceleratedSurfaceSetTransportDIB(gfx::PluginWindowHandle window,
                                            int32 width,
                                            int32 height,
                                            TransportDIB::Handle transport_dib);
   void OnAcceleratedSurfaceBuffersSwapped(gfx::PluginWindowHandle window,
                                           uint64 surface_handle);
+  void OnMsgSpeakText(const string16& text);
 #endif
 #if defined(TOOLKIT_GTK)
   void OnMsgCreatePluginContainer(gfx::PluginWindowHandle id);
   void OnMsgDestroyPluginContainer(gfx::PluginWindowHandle id);
 #endif
 
   // Called (either immediately or asynchronously) after we're done with our
   // BackingStore and can send an ACK to the renderer so it can paint onto it
   // again.
   void DidUpdateBackingStore(const ViewHostMsg_UpdateRect_Params& params,
@@ skipping 220 matching lines @@
   scoped_ptr<TapSuppressionController> tap_suppression_controller_;
 
   scoped_ptr<SmoothScrollGesture> active_smooth_scroll_gesture_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderWidgetHostImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_IMPL_H_